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fdasrvf (version 2.3.6)

curvebox_data: Curve Boxplot Data

Description

This function constructs the amplitude boxplot.

Usage

curvebox_data(align_median, alpha = 0.05, ka = 1)

Value

Returns an curvebox object containing:

  • median_y: median curve

  • Q1: First quartile

  • Q3: Second quartile

  • Q1a: First quantile based on alpha

  • Q3a: Second quantile based on alpha

  • minn: minimum extreme curve

  • maxx: maximum extreme curve

  • outlier_index: indexes of outlier curves

  • fmedian: median curve

Arguments

align_median

object from curve_karcher_mean() of aligned curves using the median

alpha

quantile value (default=.05, i.e., 95%)

ka

scalar for outlier cutoff (default=1)

References

Xie, W., S. Kurtek, K. Bharath, and Y. Sun (2016). "A geometric approach to visualization of variability in functional data." Journal of the American Statistical Association in press: 1-34.